10050-5119 HU 1594 (HD 87652)
10h 05m 01.86s -51° 18' 49.1" P.A. 40.00 sep 0.1 mag 6.81,7.16 Sp B8/9III dist. 175.13 pc (571.27 l.y.)
Coord 2000 |
10050-5119 |
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Discov num |
HU 1594 |
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Comp |
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Coord arcsec 2000 |
10 05 01.86 -51 18 49.1 |
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Date first |
1915 |
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Date last |
2020 |
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Obs |
36 |
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Pa first |
260 |
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Pa last |
40 |
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P.A. Now (θ) |
59.1° |
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Sep first |
0.2 |
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Sep last |
0.103 |
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Sep. Now (ρ) |
0.101" |
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Mag pri |
6.81 |
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Mag sec |
7.16 |
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delta mag (ΔM) |
0.35 |
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Spectral class |
B8/9III (blue-white) |
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Pri motion ra |
-021 |
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Sec motion ra |
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Pri motion dec |
+012 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 87652 |
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Constellation |
Vela |
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SAO |
237675 |
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HIP |
49394 |
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Tycho2 |
8194-02009-1 |
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Gaia DR2 |
5405104161787702528 |
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HD |
87652 |
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GC |
13874 |
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CD |
CD-50 4791 |
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CP |
CP-50 3018 |
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Distance |
175.13 |
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Distance ly |
571.27 |
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ORBITAL ELEMENTS
Period (P) | 134.51y | ± 3.76 |
Periastron (T) | 2028.97y | ± 2.28 |
Semi-major axis (a) | 0.281a | ± 0.009 |
Eccentricity (e) | 0.629 | ± 0.033 |
Inclination (i) | 64.4° | ± 3.3 |
Longitude of periastron (ω) | 21° | ± 4.6 |
Node (Ω) | 87.3° | ± 1.6 |
Notes | n | |
Reference | Tok2015c | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
301.2 |
0.225 |
2001 |
302.6 |
0.216 |
2002 |
304.2 |
0.207 |
2003 |
306.0 |
0.198 |
2004 |
307.9 |
0.189 |
2005 |
310.0 |
0.179 |
2006 |
312.3 |
0.170 |
2007 |
314.9 |
0.161 |
2008 |
317.8 |
0.152 |
2009 |
321.1 |
0.143 |
2010 |
324.8 |
0.134 |
2011 |
329.0 |
0.125 |
2012 |
333.8 |
0.117 |
2013 |
339.3 |
0.110 |
2014 |
345.6 |
0.103 |
2015 |
352.7 |
0.098 |
2016 |
0.5 |
0.093 |
2017 |
9.0 |
0.090 |
2018 |
17.9 |
0.089 |
2019 |
26.9 |
0.089 |
2020 |
35.7 |
0.091 |
2021 |
44.1 |
0.094 |
2022 |
51.9 |
0.097 |
2023 |
59.1 |
0.101 |
2024 |
65.8 |
0.105 |
2025 |
72.0 |
0.108 |
2026 |
78.0 |
0.110 |
2027 |
83.9 |
0.109 |
2028 |
90.1 |
0.105 |
2029 |
96.9 |
0.098 |
2030 |
105.0 |
0.089 |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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